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Building a Polymarket Backtesting Engine in Python

This story is from 2026-10-09. It is preserved in the archive; the latest stories are on the live feed.

A Polymarket trading bot backtest is only useful if it approximates what the bot could have known and executed at the time. Historical prices help reconstruct market conditions, but they do not automatically tell you whether an order would have filled, how much slippage it would have incurred, or w…

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  1. 2026-10-09 17:20 · DEV Community — AI
    Building a Polymarket Backtesting Engine in Python

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